which starting pitchers give up the most home runs per 9 innings

Jamie Moyer has the most career home runs allowed / 9 by a starting pitcher, with 56.56.

NAME HR/9 HR G W L W% GS ERA SO CG SHO SV IP H ER R BB HBP GF IBB TBF WP K/9 BB/9 K/BB K% BB% WHIP BABIP RA H/9
1 Jamie Moyer
J. Moyer
56.56
509
638
262
206
.560
638
4.27
2,353
33
10
0
3947.1
4,107
1,872
2,020
1,104
142
0
64
16,812
52
5.36
2.52
2.13
14.0
6.6
1.32
.283
4.61
9.36
2 Robin Roberts
R. Roberts
55.33
498
609
275
240
.534
609
3.41
2,292
305
45
0
4567.1
4,467
1,733
1,915
872
54
0
63
18,724
32
4.52
1.72
2.63
12.2
4.7
1.17
.264
3.77
8.80
3 Don Sutton
D. Sutton
52.11
469
756
321
253
.559
756
3.27
3,545
178
58
0
5248.1
4,670
1,905
2,095
1,333
81
0
96
21,500
110
6.08
2.29
2.66
16.5
6.2
1.14
.261
3.59
8.01
4 Phil Niekro
P. Niekro
51.67
465
716
302
262
.535
716
3.37
3,181
245
45
0
5149.2
4,815
1,928
2,227
1,703
116
0
73
21,585
207
5.56
2.98
1.87
14.7
7.9
1.27
.270
3.89
8.42
5 Fergie Jenkins
F. Jenkins
51.44
463
594
278
218
.560
594
3.32
3,082
267
49
0
4358.2
4,021
1,608
1,786
951
83
0
101
17,815
61
6.36
1.96
3.24
17.3
5.3
1.14
.269
3.69
8.30
6 Frank Tanana
F. Tanana
49.44
445
616
236
236
.500
616
3.67
2,734
143
34
0
4136.1
4,019
1,688
1,893
1,227
128
0
110
17,413
114
5.95
2.67
2.23
15.7
7.0
1.27
.278
4.12
8.74
7 Bartolo Colon
B. Colon
48.44
436
552
246
187
.568
552
4.12
2,502
38
13
0
3434.0
3,565
1,571
1,705
944
63
0
47
14,541
45
6.56
2.47
2.65
17.2
6.5
1.31
.295
4.47
9.34
8 Bert Blyleven
B. Blyleven
47.56
428
685
286
248
.536
685
3.31
3,694
242
60
0
4957.1
4,614
1,823
2,021
1,316
155
0
67
20,429
114
6.71
2.39
2.81
18.1
6.4
1.20
.282
3.67
8.38
9 Warren Spahn
W. Spahn
46.89
422
665
358
227
.612
665
3.08
2,501
382
63
0
5101.0
4,703
1,743
1,951
1,383
39
0
52
20,960
74
4.41
2.44
1.81
11.9
6.6
1.19
.258
3.44
8.30
10 Randy Johnson
R. Johnson
45.33
408
603
301
166
.645
603
3.30
4,818
100
37
0
4103.0
3,320
1,504
1,692
1,491
188
0
37
16,937
109
10.57
3.27
3.23
28.4
8.8
1.17
.290
3.71
7.28
11 Steve Carlton
S. Carlton
45
405
709
327
240
.577
709
3.20
4,104
254
55
0
5165.1
4,616
1,835
2,096
1,814
53
0
145
21,457
177
7.15
3.16
2.26
19.1
8.5
1.24
.279
3.65
8.04
12 Jack Morris
J. Morris
42.56
383
527
251
182
.580
527
3.90
2,443
175
28
0
3746.1
3,501
1,624
1,779
1,356
56
0
94
15,791
201
5.87
3.26
1.80
15.5
8.6
1.30
.270
4.27
8.41
13 CC Sabathia
CC Sabathia
42.44
382
560
251
161
.609
560
3.74
3,091
38
12
0
3576.1
3,404
1,485
1,623
1,099
123
0
44
14,986
74
7.78
2.77
2.81
20.6
7.3
1.26
.294
4.08
8.57
14 Gaylord Perry
G. Perry
42.44
382
690
305
252
.548
690
3.10
3,372
303
53
0
5156.2
4,762
1,778
2,045
1,314
101
0
144
21,140
150
5.89
2.29
2.57
16.0
6.2
1.18
.274
3.57
8.31
15 David Wells
D. Wells
42.33
381
489
221
144
.605
489
4.21
1,980
54
12
0
3171.2
3,394
1,482
1,598
632
78
0
46
13,311
86
5.62
1.79
3.13
14.9
4.7
1.27
.294
4.53
9.63
16 Tim Wakefield
T. Wakefield
42.11
379
463
190
166
.534
463
4.49
1,895
33
6
0
2912.2
2,876
1,452
1,645
1,089
168
0
27
12,622
123
5.86
3.36
1.74
15.0
8.6
1.36
.275
5.08
8.89
17 Tom Seaver
T. Seaver
42
378
647
310
203
.604
647
2.86
3,634
231
61
0
4776.1
3,961
1,517
1,670
1,387
76
0
115
19,337
123
6.85
2.61
2.62
18.8
7.2
1.12
.258
3.15
7.46
18 Mike Mussina
M. Mussina
41.78
376
536
270
153
.638
536
3.68
2,812
57
23
0
3559.0
3,453
1,456
1,557
785
60
0
29
14,576
71
7.11
1.99
3.58
19.3
5.4
1.19
.292
3.94
8.73
19 Javier Vazquez
J. Vazquez
41.22
371
443
163
160
.505
443
4.23
2,521
28
8
0
2824.0
2,774
1,326
1,426
757
84
0
57
11,867
74
8.03
2.41
3.33
21.2
6.4
1.25
.295
4.54
8.84
20 Catfish Hunter
C. Hunter
41.11
370
476
222
166
.572
476
3.26
1,970
181
42
0
3405.1
2,922
1,232
1,362
935
47
0
54
13,844
48
5.21
2.47
2.11
14.2
6.8
1.13
.243
3.60
7.72
21 Jim Kaat
J. Kaat
40.67
366
625
260
217
.545
625
3.43
2,294
180
31
0
4137.2
4,203
1,579
1,850
955
115
0
77
17,336
116
4.99
2.08
2.40
13.2
5.5
1.25
.282
4.02
9.14
22 Jim Bunning
J. Bunning
40.44
364
519
215
180
.544
519
3.30
2,752
151
40
0
3620.0
3,314
1,327
1,484
938
156
0
86
15,021
44
6.84
2.33
2.93
18.3
6.2
1.17
.273
3.69
8.24
23 Justin Verlander
J. Verlander
40.33
363
536
262
150
.636
536
3.31
3,457
26
9
0
3467.2
2,943
1,277
1,381
973
116
0
27
14,170
97
8.97
2.53
3.55
24.4
6.9
1.13
.279
3.58
7.64
24 Roger Clemens
R. Clemens
40.33
363
707
354
184
.658
707
3.12
4,671
118
46
0
4913.2
4,182
1,706
1,884
1,579
159
0
63
20,227
143
8.56
2.89
2.96
23.1
7.8
1.17
.284
3.45
7.66
25 James Shields
J. Shields
40.11
361
405
144
138
.511
405
4.01
2,234
23
9
0
2614.1
2,579
1,166
1,266
743
97
0
22
10,983
107
7.69
2.56
3.01
20.3
6.8
1.27
.294
4.36
8.88
StatMuse has game-level data for home runs allowed going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.

More Mariners Stats

Team Rankings

HR

73

6th

R

247

10th

SO

431

22nd

ERA

3.74

14th

2025 Division Standings
TEAM W L PCT GB
Mariners Mariners
30
24
.556
Astros Astros
30
25
.545
0.5
Rangers Rangers
27
30
.474
4.5
Angels Angels
25
30
.455
5.5
Athletics Athletics
23
33
.411
8.0
Schedule
DATE MATCHUP TIME (ET)
Thu
5/29
WSH WSH
@
SEA SEA
9:40 PM
Fri
5/30
MIN MIN
@
SEA SEA
10:10 PM
Sat
5/31
MIN MIN
@
SEA SEA
7:15 PM
Sun
6/1
MIN MIN
@
SEA SEA
4:10 PM
Tue
6/3
BAL BAL
@
SEA SEA
9:40 PM
Last Game
SEA Mariners

30 - 24

0

Final

9

WSH Nationals

25 - 30

Wed 28 May 2025

MLB 2025 Batting Leaders

MLB 2025 Pitching Leaders

MLB Fantasy 2025

MLB 2025 Betting

MLB 2025 Division Standings

AL East W L PCT GB
Yankees Yankees
35
20
.636
Rays Rays
28
27
.509
7.0
AL Central W L PCT GB
Tigers Tigers
37
20
.649
Guardians Guardians
30
25
.545
6.0
AL West W L PCT GB
Mariners Mariners
30
24
.556
Astros Astros
30
25
.545
0.5
NL East W L PCT GB
Phillies Phillies
35
19
.648
Mets Mets
34
22
.607
2.0
NL Central W L PCT GB
Cubs Cubs
35
21
.625
Cardinals Cardinals
32
24
.571
3.0
NL West W L PCT GB
Dodgers Dodgers
34
22
.607
Padres Padres
31
23
.574
2.0

MLB 2025 Scores & Schedule

Scores

DATE MATCHUP SCORE
Tue
5/13
MIN MIN
@
BAL BAL
6-3
Tue
5/13
STL STL
@
PHI PHI
1-2
Tue
5/13
MIL MIL
@
CLE CLE
9-5
Tue
5/13
MIN MIN
@
BAL BAL
8-6
Tue
5/13
NYY NYY
@
SEA SEA
3-2

Schedule

DATE MATCHUP TIME (ET)
Thu
5/29
ATL ATL
@
PHI PHI
1:05 PM
Thu
5/29
ATL ATL
@
PHI PHI
6:45 PM
Thu
5/29
ATH ATH
@
TOR TOR
7:07 PM
Thu
5/29
TBR TBR
@
HOU HOU
8:10 PM
Thu
5/29
WSH WSH
@
SEA SEA
9:40 PM